Description
In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.
References (2)
Core 2
Core References
Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://support.lenovo.com/us/en/product_security/LEN-16095
Third Party Advisory vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1040296
Scores
CVSS v3
7.0
EPSS
0.0004
EPSS Percentile
10.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (1)
lenovo/enterprise_network_operating_system
< 8.4.6.0
Published
Jan 10, 2018
Tracked Since
Feb 18, 2026